/Engine/Source/Editor/UnrealEd/Public/CookPackageSplitter.h
Called after saving the parent generator package. Undo any required adjustments to the parent package that were made in PreSaveGeneratorPackage, so that the package is once again ready for use in the editor or in future GetGenerateList or PreSaveGeneratedPackage calls
virtual void PostSaveGeneratorPackage ( [UPackage](API\Runtime\CoreUObject\UObject\UPackage) * OwnerPackage, [UObject](API\Runtime\CoreUObject\UObject\UObject) * OwnerObject )